package dev

import "fmt"

type Do interface {
	Fly() string
	Run() string
	Test()
}

type Bird struct {
}

func (bird *Bird) Fly() (aa string) {
	aa = "bird fly"
	return
}

func (bird *Bird) Run() (aa string) {
	aa = "bird run"
	return
}

func (bird *Bird) Test() {
	fmt.Println("this is a test")
}
